Service difficulty report · Support · Boeing 747412F

Difficulty date
September 1, 2026
Submitted
September 1, 2026
Operation
Air carrier
Aircraft
N489MC
Make and model
Boeing 747412F
Aircraft serial
26553
Aircraft time
122,398 hours, 21,317 cycles
Part
Support
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

VERTICAL STAB, LEFT L/E FIXED PANEL STA 78 AFT UPPER SUPPORT FOUND CRACKED. VERTICAL STAB LEFT L/E FIXED PANEL UPPER SUPPORT WAS REPLACED IAW SRM 51-10-02 & 51-40-02, REV 107, AND RI-55-30-18461, REV A. NO FURTHER DEFECTS NOTED.